package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.annotation.AutoFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);

    /*
    * 插入菜品数据
    * */
    @AutoFill(value = OperationType.INSERT) //为里面的四种属性赋值，（修改和创建)
    void insert(Dish dish);


    /*
    * 菜品分页查询
    * */
    Page<DishVO> PageQuery(DishPageQueryDTO dishPageQueryDTO);


    @Select("select * from dish where id=#{id}")
    Dish getById(Long id);

    /*
    * 根据主键来删除菜品数据
    * */
    @Delete("delete  from  dish where id =#{id}")
    void deleteById(Long id);

    /*
    * 根据菜品id集合批量删除菜品
    * */

    void deleteByIds(List<Long> id);

    /*
     * 根据id动态修改菜品和对应的口味信息
     * */
    @AutoFill(value = OperationType.UPDATE)
    void update(Dish dish);


    /*
    * 根据分类id查询菜品
    * */
    List<Dish> list(Dish dish);

    /*
    * 根据套餐id查询菜品
    * */
    @Select("select a.* from dish a left join setmeal_dish b on a.id = b.dish_id where b.setmeal_id = #{setmealId}")
    List<Dish> getBySetmealId(Long setmealId);
}
